Finding the Fourth Proportional to 3,929,769, 5,894,653.18 and 1,089,881.12
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Solution
The fourth proportional to 3,929,769, 5,894,653.18 and 1,089,881.12 is: 1,634,821.59
Step by Step Solution
- Step 1: Write the proportion equation
3,929,769 : 5,894,653.18 = 1,089,881.12 : x - Step 2: Convert to fraction form
3,929,769/5,894,653.18 = 1,089,881.12/x - Step 3: Cross multiply
3,929,769x = 5,894,653.18 × 1,089,881.12 - Step 4: Simplify right side
3,929,769x = 6,424,471,209,829.96 - Step 5: Solve for x
x = 6,424,471,209,829.96/3,929,769 - Step 6: Final answer
x = 1,634,821.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.